Micro-mechanical analysis of soil–structure interface behavior under constant normal stiffness condition with DEM

P Wang, ZY Yin, WH Zhou, W Chen - Acta Geotechnica, 2021 - Springer
The mechanical behavior at soil–structure interface (SSI) has a crucial influence on the
safety and stability of geotechnical structures. However, the behavior of SSI under constant …

[HTML][HTML] Applicability of discrete element method with spherical and clumped particles for constitutive study of granular materials

T Qu, M Wang, Y Feng - Journal of Rock Mechanics and Geotechnical …, 2022 - Elsevier
Discrete element method (DEM) has been intensively used to study the constitutive
behaviour of granular materials. However, to what extent a real granular material can be …

Liquefaction of granular materials in constant-volume cyclic shearing: Transition between solid-like and fluid-like states

M Yang, M Taiebat, F Radjaï - Computers and Geotechnics, 2022 - Elsevier
By means of 3D-DEM cyclic simple shear simulations at constant volume, this paper
analyzes the evolution of the internal structure during cyclic liquefaction of dense granular …

The critical state behaviour of granular material in triaxial and direct simple shear condition: A DEM approach

HBK Nguyen, MM Rahman, A Fourie - Computers and Geotechnics, 2021 - Elsevier
The critical state (CS), the anchor concept in the critical state soil mechanics (CSSM)
framework, has been comprehensively evaluated in triaxial stress conditions, where all the …

Systematic effect of particle roundness/angularity on macro-and microscopic behavior of granular materials

U Ali, M Kikumoto, M Ciantia, Y Cui, M Previtali - Granular Matter, 2023 - Springer
Roundness/angularity is a vital shape descriptor that significantly impacts the mechanical
response of granular materials and is closely associated with many geotechnical problems …

The failure modes of granular material in undrained cyclic loading: A critical state approach using DEM

R Kolapalli, MM Rahman, MR Karim, HBK Nguyen - Acta Geotechnica, 2023 - Springer
Cyclic liquefaction failure modes are directly related to the consequence of liquefaction and
important for mitigation strategies. Two common failure modes, cyclic mobility (CM) and …

[HTML][HTML] Discrete Element Modelling of uplift of rigid pipes deeply buried in dense sand

X Li, G Kouretzis, K Thoeni - Computers and Geotechnics, 2024 - Elsevier
This paper presents a numerical methodology based on the Discrete Element Method
developed for the efficient modelling of kinematic granular soil-pipe interaction at large …

DEM simulation of small strain and large strain behaviors of granular soils with a coherent contact model

H Wu, X Gu, J Hu, Q Zhou - Granular Matter, 2022 - Springer
Discrete element method is widely used to study the macroscopic behaviors of granular soils
subjected to various loading conditions at a particulate level. However, most of previous …

Particle shape effects on dynamic properties of granular soils: A DEM study

J Hu, H Wu, X Gu, Q Zhou - Computers and Geotechnics, 2023 - Elsevier
Particle shape is an essential aspect of granular soils that affects their mechanical
properties. It is challenging to isolate the effect of particle shape from other mechanical …

Quantifying Shear-Induced Permeability Changes in Medium-Loose Sands

J Salomon, T Morimoto, F Patino-Ramirez… - … of Geotechnical and …, 2024 - ascelibrary.org
For many applications in geotechnical engineering, an accurate assessment of soil
hydraulic conductivity is important to predict settlements and pore water pressure changes …